140477-37-8
1,2,4,5-tetramethyl-3,6-bis(2-phenylethynyl)benzene
→
~8%
106877-53-6
1-phenyl-2-[2,3,5,6-tetramethyl-4-(2-oxo-2-phenylacetyl)phenyl]ethane-1,2-dione
+
140477-38-9
2,3,5,6-tetramethyl-4-(2-phenylethynyl)benzoic acid